Here is an app connected water heater that doesn’t need metal heating elements to give you an endless supply of hot water. The Heatworks MODEL 3 water heater uses Ohmic array technology to get the job done. It passes controlled electric currents through the water, which is converted into thermal energy.
The MODEL 3 has adjustable voltage and amperage from 208 to 240v and 30 to 100amps respectively. You can use your smartphone to monitor this water heater remotely. The MODEL 3 measures 11”x16.5”x10″.